How Does Viscon Work?

It is well known that diesel engine combustion behavior can be improved by improving air/fuel mixture formation. Some improvements have been made by mechanical fixes, such as increased injection pressure, multiple injector orifices and modifications of combustion chamber geometry.

The Viscon inventors have discovered that adding a small amount of a high molecular weight polymer to diesel fuel increases engine power, reduces fuel consumption, reduces engine exhaust temperature and reduces emissions of particulate matter.

Viscon diesel fuel saver improves fuel/air mixture formation by modifying the fuel rather than the engine. A small amount of a high molecular weight polymer is added to the fuel making it viscoelastic.

At best, the fuel behaves like an ordinary liquid. Under conditions of sudden stress, however, as in being sprayed from an injector, the fuel has greatly increased viscosity or solid like elastic properties.

A viscoelastic fuel has different spray and vaporization behavior. The injector spray is more controlled producing more uniform droplet size and more uniform distribution of fuel over the cross section of the spray cone. Super fine, satellite droplets are eliminated and overall Sauter Mean Diameter is reduced. The solid like fuel droplets also resist growth by collision.

The vaporization of viscoelastic fuel droplets is also more controlled. Increased surface tension holds in light end fuel components which would otherwise vaporize, leaving the less volatile components behind.

The benefits gained from changes in spray and vapor behavior in fuel penetration, dispersion, and homogeneity of light and heavy fuel species in the air/fuel mixture are each essential to ideal mixture formation. Increased spray penetration and improved dispersion are achieved by having more uniform droplet size, more uniform droplet distribution and reduced droplet growth by collision. The result is a more homogeneous air/fuel equivalency ratio.

Improved uniformity of air/fuel equivalency ratio throughout the mixture leads to greater cyclic uniformity. Less understood, but equally important in air/fuel mixture formation, homogeneous distribution of fuel components leads to lower peak temperatures and faster flame propagation. The light ends which normally dominate and drive initial inflammation are moderated by the slower burning molecules.

During flame propagation the normally slow burning molecules are heated and thereby aided in burning by the fast burning light end molecules. Overall, uniformity of the air/fuel mixture results in more uniform and complete combustion of the fuel.

Viscon diesel fuel saver achieves optimal uniformity of air/fuel ratio by transforming the raw polyisobutylene polymer to a liquid state via a temperature controlled mixing process. The end result is Viscon clean fuel additive. When mixed with fuel Viscon will:

• improve torque
• improve air quality
• improve fuel combustion
• reduce fuel consumption
• reduce harmful emissions
• reduce operating temperatures